LONDON, ENGLAND - AUGUST 04: Silver medallist Ryan Cochrane of Canada, gold medallist Yang Sun of China, and bronze medallist Oussama Mellouli of Tunisia pose on the podium during the medal ceremony ... more 

LONDON, ENGLAND - AUGUST 04: Silver medallist Ryan Cochrane of Canada, gold medallist Yang Sun of China, and bronze medallist Oussama Mellouli of Tunisia pose on the podium during the medal ceremony for the Men's 1500m Freestyle Final on Day 8 of the London 2012 Olympic Games at the Aquatics Centre on August 4, 2012 in London, England. (Photo by Jeff Gross/Getty Images) less